| 3900 | PLASTICS AND ARTICLES THEREOF | |
| 3901 | Polymers of ethylene, in primary forms |  Ontological structure of 3901 |
| 3902 | Polymers of propylene or of other olefins, in primary forms | Ontological structure of 3902 |
| 3903 | Polymers of styrene, in primary forms | Ontological structure of 3903 |
| 3904 | Polymers of vinyl chloride or of other halogenated olefins, in primary forms | Ontological structure of 3904 |
| 3905 | Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms | Ontological structure of 3905 |
| 3906 | Acrylic polymers in primary forms | Ontological structure of 3906 |
| 3907 | Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms | Ontological structure of 3907 |
| 3908 | Polyamides in primary forms | Ontological structure of 3908 |
| 3909 | Amino-resins, phenolic resins and polyurethanes, in primary forms | Ontological structure of 3909 |
| 3910 | Silicones in primary forms | Ontological structure of 3910 |
| 3911 | Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms | Ontological structure of 3911 |
| 3912 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms | Ontological structure of 3912 |
| 3913 | Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms | Ontological structure of 3913 |
| 3914 | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms | Ontological structure of 3914 |
| 3915 | Waste, parings and scrap, of plastics | Ontological structure of 3915 |
| 3916 | Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics | Ontological structure of 3916 |
| 3917 | Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics | Ontological structure of 3917 |
| 3918 | Floor coverings of plastics, whether or not self-adhesive, in rolls or in the form of tiles; wall or ceiling coverings of plastics, as defined in note 9 to this chapter | Ontological structure of 3918 |
| 3919 | Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls | Ontological structure of 3919 |
| 3920 | Other plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials | Ontological structure of 3920 |
| 3921 | Other plates, sheets, film, foil and strip, of plastics | Ontological structure of 3921 |
| 3922 | Baths, shower-baths, sinks, washbasins, bidets, lavatory pans, seats and covers, flushing cisterns and similar sanitary ware, of plastics | Ontological structure of 3922 |
| 3923 | Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics | Ontological structure of 3923 |
| 3924 | Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics | Ontological structure of 3924 |
| 3925 | Builders' ware of plastics, not elsewhere specified or included | Ontological structure of 3925 |
| 3926 | Other articles of plastics and articles of other materials of headings 3901 to 3914 | Ontological structure of 3926 |